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Mathematics Senior High

因数分解なのですが最初の降べきの順に直すところが分かりません。細かく式書いて教えて欲しいです🙇‍♀️

発展例題 250 次の式を因数分解せよ。 (1) a²(b+c)+ b²(c+a)+c²(a+b)+2abc (+12x+1+ (2) a²(b-c)+b²(c-a)+c²(a−b) CHARI & GUIDE N 基礎例題 18, 解答 1) (5)=(b+c) a²+(b²+2bc+c²) a+b²c+bc² =(b+c)a²+(b+c)²a+bc(b+c) ¹) 1) =(b+c){a²+(b+c)a+bc}2) ① a について整理する。 α 以外の文字 6, c は数として扱う。 ② Oa²+□+△の形となる。 公式やたすきがけを利用する。 数が同じ場合 多くの文字を含む式の因数分解 次数が同じ場合 まず、 1つの文字について整理す =(b+c)(a+b)(a+c) =(a+b)(b+c) (c+a) 2) (5)=(b-c)a²-(b²-c²) a+b²c-bc² =(b-c)(a−b)(a-c) 2) =-(a-b)(b-c) (c-a) 発展例題 21 FT_3>85TS 1) b+cが共通因数 (+)=(1+2) 掛けて bc, (x(1+2x)}{x+b+c となる2数 ←輪環の順(p.23)に。 ++税) デストー =(b-c)a²-(b+c)(b-c) a+bc(b-c) 3)+²x)) {x\ 2) 3) + ³x)} (x² - ( =(b-c){a^²-(b+c)a+bc}* 8+50 複雑な 発 bc (1 ( 3) b-c が共通 (+) (4) 掛けてbc., b-cとなる b-c -a-c=-(c- ←輪環の順に。 (8+x) (+3)=(8+1)(1+1)= within Lecture 対称式と交代式 s)(6+) 上の例題の (1) のように, a,b,cのうちのどの2つの文字を入れ替えても、も じになる式を, 3文字の対称式という。 また, (2) のように, a,b,cのうちの 文字を入れ替えても, もとの式と符号だけが変わる式を, 3文字の交代式とい 3文字の対称式、交代式の因数分解については CRE

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English Senior High

答えを教えてください。

D) LANGUAGE PRACTICE Should and have to Suggestion What should I do? You should try yoga. You shouldn't eat so much fast food! Should I drink more water? Yes, you should. Complete the sentences with should, shouldn't, have/has to, or don't/doesn't have to. 1. To be healthy, we 2. I have a car, so I 3. You 4. My sister is really busy. She should sleep seven or eight hours every night. walk to work. But I still walk for exercise. drink so much soda every day. It's bad for you. 3. You should get some fresh air 4. You shouldn't exercise Grammar Reference page 130 Obligation What do I have to do? You have to read these books. You don't have to do anything! Do I have to pay for the class? No, you don't. 2 Match the information to make complete sentences. 1. We have to pay the fees_e 2. Should we warm up 5. You don't have to go on a diet 6. How much do we have to pay I think people should exercise every day. write ten essays before the semester ends. Unreduced 1. He has to eat first. 2. I have to leave early. 3. She has to go now. 4. They have to pay. a. before we exercise? b. to lose weight. c. after a big meal. d. because you've been indoors all day. e. before we take the class. f. to join the gym? 3 PAIR WORK. What should people do to have a healthy lifestyle? List five things. Then discuss your ideas with your partner. ONLINE PRACTICE Every day? That's too much! PRONUNCIATION-Reduction of has to and have to 1 Listen. Notice the reduced sounds of has to and have to. Reduced He hasta eat first. I hafta leave early. She hasta go now. They hafta pay.

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TOEIC・English Undergraduate

総合英語FACTBOOK English Grammar Advanced New Editionの第7章p25の問題の答え持っている方がいましたら教えて頂きたいです!よろしくお願いします。

PP.86. できごとが 37~88 未来の時点 058 > 参照)。 p.88 059 がずっ はあ い Exercise 7 →A 1 Change the verb to the appropriate form and complete the sentences. 1) When I (arrive) at school, the class (already start). My teacher was angry. ¹0 2) I (never see ) Kabuki until I became a college student. A NO TEN 3) The actor (be) an extra for 20 years before he became famous. Helsink Doy bedefimar O 4) Miki noticed that she (lose) the key somewhere. the concede lbovoilen od tamm DOY Sevorse J'nei yu 2 Change the verb to the appropriate form and complete the sentences. leum JAKO-O 1) It (stop) raining by this time tomorrow. 2) Brazil (win) the World Cup six times if it wins it again. Menur of SVBIl (3) She (be) a math teacher for 30 years by March next year.m alterow hat bedone. 4)She will email us when she (read) the report (「読んだら」の意で lanks isla (0707 754300 penlo sitt bus no 3 Change the verb to the appropriate form and complete the sentences. →C 1) Kate (watch) TV since she came home from school. 2) yem 8 My father (work) for over 15 hours when he left the office. 3) She (travel ) abroad since last month. Sni smoo I ysM O つける 4) We (run) for 10 minutes before the teacher shouted, "Stop!" in nisqe of og ysm sW 25 VEAU CO 20 4 Choose the appropriate form of the verb and complete the sentences. → A B C 1) I (read/ have been reading / had been reading) the book for six hours until I realized it was dark outside. compl c513 VIBEE 2) I want to read your novel first after you (wrote / have written / will have written) it. VE met / will have met ) him before. 3) I suddenly remembered I (have met / had 4) He (tries / has tried / has been trying) to solve the problem since this morning. 5 Put the words in the correct order to complete the sentences. 1) [in/people/ already / long before / arrived / America / had ] Columbus came. 2) Yesterday I found the book [ had / for a long time / for / been / looking /I]. 3) [long/you/ French literature / studying / have / how / been ]?ow an ingin W 4) The news says that they [ for / stayed / space / have / in / a month / will ] tomorrow. Put it into English - Context writing - 1) 父が帰宅したとき 私はテレビを2時間見ていた。 llow idgim \ yam I 078 11m B II WOTTOmol nis: lliw (O naquad Hiw etnobis.A 2) 彼は雨の中を歩いて帰宅したと私に言った。 3) 彼がバス停に着いたときには,最終バスはすでに出発していた。 nato biwow beh yM 4) その夜以前に父が歩いて帰宅したことは一度もなかった。 basd 6 yoy ovig ILO MA 312) Imid ymise I X40).sgo f'ow toob aidT ABC 25

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English Senior High

(4)を訳したいのですが、文構造が分からずうまく訳せません、。どなたか解説をお願いします。

lo One fast-food company is well known in Japan for its extensive worker manual and the sales talk it covers. From the book, workers learn how to greet a customer, how to bow, how to take an order, pack a bag and give correct change. 5 Customers find the same nice service in all the franchised outlets, which contributes to both customer satisfaction and *corporate profits. One day, a mother came into one of these restaurants, and while she was ordering at the counter, her baby grabbed an 10 employee's hat and began to play with it. He was surprised and embarrassed. He could not concentrate on what the customer (2) was saying and had to ask her to repeat her order twice. He knew he was losing his dignity as a company representative by having an infant tearing up part of his uniform, and he wanted to 15 take it back, but at the same time he didn't know what to say or do. He stood there ( 3 ) until the mother *retrieved the hat and gave it back to him. He put it on again, resumed his normal calm attitude, and took her order efficiently as if nothing had happened. But everyone in the restaurant could see that a 20 one-year-old child had the power to bring the operation to a halt and must have wondered about it. What was the problem here? Simply put, the manual, detailed as it may be, fails to cover what to do in a situation where a young child steals part of your uniform. And without the manual to guide his behavior, the employee was lost. This is a trivial example of a very serious problem in Japan: the inability to 48

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